LONDON (Thomson Reuters Foundation) - It was a “black morning” two years ago when Islamic State militants seized the Yazidi town of Sinjar in northwest Iraq, abducting thousands of civilians including a 15-year-old girl and 27 members of her family. The teenager, Nihad Barakat Shamo Alawsi, was taken to Syria and then to the Islamic State stronghold of Mosul in northern Iraq, she told an event in